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Start learning 50% faster. Sign in nowLet the length of the train = x meter So according to question: x/11 = (x + 480)/27 27x = 11x + 5280 16x = 5280 x = 330 So the length of the train = 330 m Speed of the train = 330/11 = 30 m/s Time taken by the train to cross a bridge 570 meter long = (330 + 570)/30 = 900/30 = 30 seconds
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